Furnace.



ln. STRONG.

FURNAGE.

APPLICATION FILED Mum, 1911.

Patented sept. 5,1911.

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FURNAGIE.. APPLICATION FILED lume, 1911.

1,002,776. Patehted Septh 5,1911.

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y FURNACE.

Speeicationof Letters Patent.

Application led March 6, 1911. Serial No. 612,631.

- To all whom "it may concern;

l Be it knowny that I, SAMUEL DSTRONG,

a citizen of the .United States, residingv at l Homer, Michigan, have invented certain new and useful Improvements in Furnaces, of

A which the following is a specification.

This inventionrelates to improvements in furnaces. .s The main objects of this invention are:

First, to provide in a furnace, an improved" vrnace casing. Second, to provide an improved furnace which may be shipped in theH knock-down condition and easily and quickly set up and one which may beset up by an4 unskilled workman. y

Further objects,y and objects relating'to structural details, will ldefinitely appear from the detailed description to follow.

I'accomplish the objects of my invention by the devices and means described in the following specification. i

The invention is clearly defined andv pointed out'in the claims.

A structure Whichl isa preferred e1nbodimenti'of'iny invention is clearly illustra-ted in the accompanying drawing, forming a part of this specification, in which:

Figure I is a front view of my improved furnace.' Fig. II is a vertical central section taken on la line corresponding to line 2 2 of Fig. I, the furnace body being'shoivn in full lines, portions thereof being broken away to show structural details. Fig. III is an enlarged detailhorizontal section taken on a line corresponding to line 3 3 of Fig. I.

Fig. IV is 'adetail section taken on a. line corresponding to line 4 4 of Fig. III. Fig.

V'is an enlarged detail section taken on a line corresponding to line 5 5 of Fig. III. Fig. VI is an enlarged detail section taken on a linecorresponding to line 6 6 of Fig. I. Fig. VII is an enlarged detail perspective showing the outer and inner bottom casing rings and theirconnections to the furnace4 body and to each other. Fig. VIII is a detail section taken on, a line corresponding to line 8 8 of Fig. I. Fig. lIX is a plan view of my combined cold airgrateand hot air register. v

In 'the drawings.` similar reference characters refer to similar parts throughout the taken looking in the direction of the arrows at the ends of the section lines.

The furnace` body lis provided with an little Pateatedsept. 5, .1.911.l

- several views, and the sectional views are ash lpit passage 2, and acombustion chamber y passage 3'. As' the structural .details of the they are not illustrated or described herein. The furnace ybody is surrounded by a hot furnace body form no, part of this invention, f

air chamber casing, and lthis hot air cham ber caslng 1s surrounded by .a cold a1r chambe'rpcasing. These casings comprise a front Wall, formed of sections '4: and 5, the section y,

4 being the bottoni sect-ion and the section 5 the top section. This top section is offset at 6 at its lower end to receive the upper end of the bottom section and is'secured thereto by bolts'7. Thefront Wall is secured to the combustion chamber and ash pit passages 2 and 3 by means of bolts 8, as clearly shownA 'l in the drawing.l The front wall is provided with a flange-like frame 9 for the combustion chamber door 10, and a similar flange` likel frame l1 for the ash pit door 12. This fiont wall has forwardlvro'ectinof flanges o C, b

13 at its side edges and a forwardly-projecting flange 14 at its top. The edges'of these flanges are turned laterally at 15 for convenience in joining the'casing thereto.

' The outer or cold air casing is formed of Wall sections 16, 17 and 1S, While the inner casing is formed of Wall sections 19 and 20.

The outer casing sections are supported by the casing rings 21, 22y and 23 and the front Wall, while the'inner casing sections are sup-- ported by the rings 24 and 25 and the front Wall. The casing rings are lopen at one side t0 receive the front Wall, the bottom ring 21 of the outer casingzbeing secured by the bolts 26 to the laterally-'turned edges 15 of the side flanges of the front plate. The casing ring 22 is also secured to these flanges, as by the bolts 27, While the ring 23 is secured to the top bolts `28. ,i i

The inner casing rings 2l and 25 Aare se- .cured to the rear sides of theV front Wall, as

iange of the front Wall by the ioo to provide a finished jointbetween .the Wall 1,002,776 e ifa by arms mounted on said straps; and innerl and outer casing sections,`tlielouter casing fra'nies `walll having forwardly-pmi sect-ion being secured to sa'id outer easing rings and to said laterally-turned edges 'of said-front ivall flanges, the inner casing sect-ion being secured t-o the inner casing ringsl and to the rear sides of saidv front Wall.

3. In a furnace,v the combination with a furnace body, having projecting ash pit and l vcombustion chamber passages, of a frontI ectingside andl top flanges, .the edges of tie flanges being turned laterally, said front \vall being .formed of top andbottom sections Abolted 'to each other and' to said ash pit and combustion chamber passages, the loweredgeofv the top section being' offset to receive the upper edge of the bottom section, said front Wall being provided Wit-h a .iangedike combustion chamber and ash pit door inner and outerl casing rings having openings therein to receive said front wall', thevouter casing ringsbeing secured to the `laterally-turned edges of the said front Wall flanges, the inner casing rings being secured. tothe rear side of said front Wall; and inner and outer casing sections, the outer casing section being secured to said outer casing rings'and to said laterally turned edges of said front Wall flanges, the inner casing section being secuied to the inner casing rings and tothe rear sides of said front Wall. A,

4. In a furnace, the combination with the furnace body having proyecting ash pit and 'combustion -cliamber passages, of a front Wall having forwardly-projecting side and top flanges, the edges of the flanges being turned laterally, said front Wall ,being pro-` vided 'with a flange-like combustion chamber and ash pit door frames; inner and outer easing rings having openings therein to receive said front Wall, the outer casing rings beingsecured to the laterally turned edges of the -said front Wall flanges,the inner casing rings beingvsecured tothe rear side of said-.front Wall and inner outer easing sections, the outer` casing section being secured to said outer casing rings and `to'said laterally-turned edges of said front Wall flanges, the inner casing section being secured to, the .inner casing rings and tothe rea-i' sides of said.

.front Wall.

.Ina furnace, the combination with thek 4furnace body, o f a front Wall secured to saidv furnace body, said fronti-Wall'being pro# vided with foru'iardly-projecting flanges at its edges and with combustion'chamber and ash pit doors; inner and outer easingfrings having openingsthereifi to `receive said front Wall, secured thereto, the outer casing rings l being secured to thesaid front Wall flanges,

the bottoml outer casing ring being connected' to'the said furnaee'body by straps, the bot- 'torn inner casing `ring being-supported in an elevated position by arms mounted er said straps; and inner and outer casing sec tions, the outer' casing sectionV being 'securedl to said outer casing -ringsrand'to said front wall flanges, the inner casing sect-ion?beingA secured' to the inner casing rings and to said front Wall.

6. In a' furnace,the' combination with the furnace body, of a front Wall secured to said furnace body, said front Wall being providedl lwith lforWardly-projecting flanges at v its edges and withy combustion vchamber and ash pit doors; inner and outer casing rings hay. ing openings therein to lreceive said front Wall secured thereto, the outer casing rings being secured y'to thesa-idfrnt Wall flanges;

and inner and outer casing sections,'the

outerv casing section being secured to said outer casing rings and to said front Wall flanges, the inner easingsection being se-' cured to the innerA front Wall.' v

7. In a furnace, the combination With the furnace body, of a; front Wall secured to said. furnace body, said front Wall being prof vided with forwardly projecting flanges at its edgesv and top and with combustion and ash pitdoors; and inner and outer casing members, the outer casing members being secured to said front Wall flanges and the inner casing members being secured to said front wall, Wherebythey are'. supported in a asing rings and to said spaced relation to provide an air chan-115er secured to said l turned laterally, vsaid -front' Wall being formed of top and bottom sections bolted to' each other and to said ash pit and combus-v tion chamber passages, theloiver edge of the top section being -o'lfset to receive the. upper.

edge of. the bottom sectionpand inner and outer casing'sections, the outer casii-igwsections being vsecured to said lateral-ly-turned edges of said front \v`all lianges, theinner casing sections being secured to the rear sides of said. front ivalh 4whereby they-are supported in a spaced relation to provide an air chamber between them, the lower edge of one of the outer easing V men'ibersbeing secured to said top flange'. y

9. In 'a furnace. the combination with the 4furnace' body having projecting .ash-pit and combustion chamber passages.' of a .front Wall having forwardly-pro]ecting side and -top anges the edges of the iianges being casing members being secured to said topIO 'turned laterally; and inner and outer casing flange.

sections, the .outer casing sections being se- In Witness `whereof, I` have hereunto set curedt'o said laterally-tunned'edges of said 'my hand and seal 1n the presence of two'A frontfwall flanges, the'inner casing sections witnesses. v I being secured t the rear sides of said front SAMUEL D. SllONGr.` [L. 5.] y

Wall, whereby they are supported in a spaced Witnesses: f relation to providean air chamber between EARL J. FELLoWs, v them. the lower edge of one ofthe outer B. D. GARDNER. 'v n 

